I have 4 queen palms about 6 yrs old. Recently one if them developed a yellow frown. It drops small yellow things in the ground. Anyone know what...I have 4 queen palms about 6 yrs old. Recently one if them developed a yellow frown. It drops small yellow things in the ground. Anyone know what this might be? How do I get rid of it? Will it spread to the other trees? Is it a problem for pets? Show more